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Message-ID: <202307210148.7gWzLOtn-lkp@intel.com>
Date: Fri, 21 Jul 2023 01:14:41 +0800
From: kernel test robot <lkp@...el.com>
To: Maxime Ripard <mripard@...nel.org>,
David Airlie <airlied@...il.com>,
Daniel Vetter <daniel@...ll.ch>,
Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Thomas Zimmermann <tzimmermann@...e.de>,
Emma Anholt <emma@...olt.net>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
linux-kselftest@...r.kernel.org,
Brendan Higgins <brendan.higgins@...ux.dev>,
Javier Martinez Canillas <javierm@...hat.com>,
dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
Maíra Canal <mairacanal@...eup.net>,
Maxime Ripard <mripard@...nel.org>,
David Gow <davidgow@...gle.com>, kunit-dev@...glegroups.com
Subject: Re: [PATCH v2 01/11] drm/tests: helpers: Switch to kunit actions
Hi Maxime,
kernel test robot noticed the following build warnings:
[auto build test WARNING on c58c49dd89324b18a812762a2bfa5a0458e4f252]
url: https://github.com/intel-lab-lkp/linux/commits/Maxime-Ripard/drm-tests-helpers-Switch-to-kunit-actions/20230720-191901
base: c58c49dd89324b18a812762a2bfa5a0458e4f252
patch link: https://lore.kernel.org/r/20230720-kms-kunit-actions-rework-v2-1-175017bd56ab%40kernel.org
patch subject: [PATCH v2 01/11] drm/tests: helpers: Switch to kunit actions
config: arm64-randconfig-r022-20230720 (https://download.01.org/0day-ci/archive/20230721/202307210148.7gWzLOtn-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a)
reproduce: (https://download.01.org/0day-ci/archive/20230721/202307210148.7gWzLOtn-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202307210148.7gWzLOtn-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> drivers/gpu/drm/tests/drm_kunit_helpers.c:53:6: warning: cast from 'void (*)(struct platform_driver *)' to 'kunit_action_t *' (aka 'void (*)(void *)') converts to incompatible function type [-Wcast-function-type-strict]
53 | (kunit_action_t *)platform_driver_unregister,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/gpu/drm/tests/drm_kunit_helpers.c:61:6: warning: cast from 'void (*)(struct platform_device *)' to 'kunit_action_t *' (aka 'void (*)(void *)') converts to incompatible function type [-Wcast-function-type-strict]
61 | (kunit_action_t *)platform_device_put,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/tests/drm_kunit_helpers.c:69:6: warning: cast from 'void (*)(struct platform_device *)' to 'kunit_action_t *' (aka 'void (*)(void *)') converts to incompatible function type [-Wcast-function-type-strict]
69 | (kunit_action_t *)platform_device_del,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/tests/drm_kunit_helpers.c:89:9: warning: cast from 'void (*)(struct platform_device *)' to 'kunit_action_t *' (aka 'void (*)(void *)') converts to incompatible function type [-Wcast-function-type-strict]
89 | (kunit_action_t *)platform_device_unregister,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/tests/drm_kunit_helpers.c:93:9: warning: cast from 'void (*)(struct platform_driver *)' to 'kunit_action_t *' (aka 'void (*)(void *)') converts to incompatible function type [-Wcast-function-type-strict]
93 | (kunit_action_t *)platform_driver_unregister,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
5 warnings generated.
vim +53 drivers/gpu/drm/tests/drm_kunit_helpers.c
28
29 /**
30 * drm_kunit_helper_alloc_device - Allocate a mock device for a KUnit test
31 * @test: The test context object
32 *
33 * This allocates a fake struct &device to create a mock for a KUnit
34 * test. The device will also be bound to a fake driver. It will thus be
35 * able to leverage the usual infrastructure and most notably the
36 * device-managed resources just like a "real" device.
37 *
38 * Resources will be cleaned up automatically, but the removal can be
39 * forced using @drm_kunit_helper_free_device.
40 *
41 * Returns:
42 * A pointer to the new device, or an ERR_PTR() otherwise.
43 */
44 struct device *drm_kunit_helper_alloc_device(struct kunit *test)
45 {
46 struct platform_device *pdev;
47 int ret;
48
49 ret = platform_driver_register(&fake_platform_driver);
50 KUNIT_ASSERT_EQ(test, ret, 0);
51
52 ret = kunit_add_action_or_reset(test,
> 53 (kunit_action_t *)platform_driver_unregister,
54 &fake_platform_driver);
55 KUNIT_ASSERT_EQ(test, ret, 0);
56
57 pdev = platform_device_alloc(KUNIT_DEVICE_NAME, PLATFORM_DEVID_NONE);
58 KUNIT_ASSERT_NOT_ERR_OR_NULL(test, pdev);
59
60 ret = kunit_add_action_or_reset(test,
> 61 (kunit_action_t *)platform_device_put,
62 pdev);
63 KUNIT_ASSERT_EQ(test, ret, 0);
64
65 ret = platform_device_add(pdev);
66 KUNIT_ASSERT_EQ(test, ret, 0);
67
68 ret = kunit_add_action_or_reset(test,
69 (kunit_action_t *)platform_device_del,
70 pdev);
71 KUNIT_ASSERT_EQ(test, ret, 0);
72
73 return &pdev->dev;
74 }
75 EXPORT_SYMBOL_GPL(drm_kunit_helper_alloc_device);
76
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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